Many people speculate with out from real job for crypto, but unfortunately with the current market conditions it is difficult to get big profit, never out of work because we can do both simultaneously.
Nope we can still get a profit with the slightest price changes. precisely the current stable price. price changes will be younger in the guess. if you want to be bigger you can raise capital. but of course the risk is still there. that's why many people are still hesitant to full time job in bitcoin